import { Nil, Nilable } from "./lang.js";
export declare type AnyNode = TextNode | Elem | Frag | Nil | false;

export declare class TextNode extends String {}

export declare function F(...children: AnyNode[]): Frag;
export declare class Frag {
  #private;
  constructor();
  get children(): Nilable<AnyNode[]>;
  withText(text: string): this;
  addText(text: string): void;
  withChildren(...nodes: AnyNode[]): this;
  addChild(node: AnyNode): void;
}
export declare function E(
  tagName: string,
  attrs: ElemAttrs,
  ...children: AnyNode[]
): Elem;
export declare type ElemAttrs = Record<string, unknown>;
export declare class Elem extends Frag {
  #private;
  constructor(tagName: string);
  get tagName(): string;
  get attrs(): Record<string, unknown>;
  withAttrs(attrs: Record<string, unknown>): Elem;
  withAttr(name: string, value: unknown): Elem;
  addAttr(name: string, value: unknown): void;
  addChild(node: AnyNode): void;
}